Finding the Fourth Proportional to 1,205,560.55, 1,808,655.98 and 699,635.18
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Solution
The fourth proportional to 1,205,560.55, 1,808,655.98 and 699,635.18 is: 1,049,635.66
Step by Step Solution
- Step 1: Write the proportion equation
1,205,560.55 : 1,808,655.98 = 699,635.18 : x - Step 2: Convert to fraction form
1,205,560.55/1,808,655.98 = 699,635.18/x - Step 3: Cross multiply
1,205,560.55x = 1,808,655.98 × 699,635.18 - Step 4: Simplify right side
1,205,560.55x = 1,265,399,348,627.20 - Step 5: Solve for x
x = 1,265,399,348,627.20/1,205,560.55 - Step 6: Final answer
x = 1,049,635.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.